CN109989987A - A kind of nut locking structure - Google Patents
A kind of nut locking structure Download PDFInfo
- Publication number
- CN109989987A CN109989987A CN201910380150.2A CN201910380150A CN109989987A CN 109989987 A CN109989987 A CN 109989987A CN 201910380150 A CN201910380150 A CN 201910380150A CN 109989987 A CN109989987 A CN 109989987A
- Authority
- CN
- China
- Prior art keywords
- nut
- locking
- ontology
- lock part
- tight lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/284—Locking by means of elastic deformation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses a kind of nut locking structure, including ontology and locking nut, ontology and locking nut are locked ontology and screw rod by least one retaining mechanism；Screw thread is arranged in ontology inner ring, retaining mechanism includes the tight lock part opened up on this body sidewall, tight lock part is raised in the side wall of ontology, and tight lock part gradually decreases along clockwise direction, the inner wall of locking nut opens up and the matched groove of tight lock part, sticking department is set in the counter clockwise direction side of groove, the depth of sticking department is gradually reduced along clockwise direction, and convex block is arranged in the starting point of sticking department.Matched sticking department and convex block is arranged by the way that tight lock part is arranged on the body in the present invention on locking nut, and positive and negative rotation occurs in locking state time limit locking nut, ensure that the reliability to nut locking；Convex block may be notified that whether operator is in locking state again simultaneously.
Description
Technical field
The present invention relates to fastening structure field, in particular to a kind of nut locking structure.
Background technique
Currently, the nut industrially used is after screwing, self-locking effect is poor, under vibration in use, nut may
It can loosen, such as high vibration when railway, bridge, the equipment in that field use, nut loosens more common, deposits
In biggish security risk.
Summary of the invention
For the above defect of the existing technology, it is a primary object of the present invention to overcome the deficiencies in the prior art it
Place, discloses a kind of nut locking structure, including ontology and locking nut, and the ontology and the locking nut pass through at least one
A retaining mechanism locks the ontology and screw rod；
Screw thread is arranged in the ontology inner ring, and the retaining mechanism includes the tight lock part opened up on described body sidewall, institute
The side wall that tight lock part is raised in the ontology is stated, and the tight lock part gradually decreases along clockwise direction, the locking nut
Inner wall open up with the matched groove of the tight lock part, the groove counter clockwise direction side be arranged sticking department, the lock
The depth for determining portion is gradually reduced along clockwise direction, and convex block is arranged in the starting point of the sticking department.
It further, further include locking mechanism, the locking mechanism includes the recessed lock slots on the body outer wall,
Clamping block is arranged in the inner wall of the locking nut, and when locking, the clamping block is rotated to the lock slots.
Further, when unlocked, other of the axial direction of the tight lock part are arranged in the tight lock part height and the ontology 1
Partial Height is identical.
Further, the tight lock part is the door type structure being provided on described body sidewall.
Further, the tight lock part is the two radial parallel open slots opened up on described body sidewall.
Further, the both ends of the lock slots open up elastic groove, and with lock slots structure in the shape of an " I ".
Further, the axially extending setting nut of the ontology.
Further, when unlocked state, the seamed edge of the locking nut and the seamed edge of the nut are arranged in a staggered manner.
Further, limited block is arranged in one end of the locking nut, and block, the block is arranged in the side of the nut
Limit the limited block rotational angle.
Further, when lock state, the locking nut is flushed with the nut side wall, further includes locking set, institute
It states locking to be sleeved on outside the locking nut and the nut, fixed block, the locking nut is arranged in the locking set inner wall
Fixing groove is set with corresponding position on the nut.
It is that the present invention obtains the utility model has the advantages that
Matched sticking department and convex block is arranged by the way that tight lock part is arranged on the body in the present invention on locking nut,
Positive and negative rotation occurs in locking state time limit locking nut, ensure that the reliability to nut locking；Convex block can accuse again simultaneously
Know whether operator is in locking state.The axial both ends that tight lock part is arranged on ontology are identical as tight lock part height, make it
In locking state, limitation locking nut is moved axially, and further increases the reliability and stability of nut locking.At this
It is extended nut on body, improves ontology fastness；Increase limited block and block simultaneously, limit the rotation angle of locking nut,
The protection to ontology is realized, prevents rotation from excessively causing the fracture separation of ontology and nut.
Detailed description of the invention
Fig. 1 is a kind of perspective view of nut locking structure of the invention；
Fig. 2 is the structural schematic diagram of locking nut；
Fig. 3 is the structural schematic diagram of ontology；
Fig. 4 is the side view of ontology；
Fig. 5 is ontology and locking nut scheme of installation；
Fig. 6 is the cross-sectional view under use state；
Fig. 7 is the structural schematic diagram of another body construction；
Fig. 8 is the structural schematic diagram of the nut locking structure with locking mechanism；
Fig. 9 is the side view at another visual angle of ontology 1；
Figure 10 is the structural schematic diagram for being extended the nut locking structure of nut；
Figure 11 is the structural schematic diagram of the nut locking structure with locking mechanism and extended nut；
Structural schematic diagram when Figure 12 is locking nut seamed edge and the dislocation of nut seamed edge；
Figure 13 is the structural schematic diagram of the nut locking structure with limiting device；
Figure 14 is the structural schematic diagram of the locking nut with limited block；
Figure 15 is the structural schematic diagram of ontology and nut with block；
Figure 16 is the explosive view of the nut locking structure with locking set；
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right with reference to the accompanying drawings and embodiments
The present invention is described in further detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, and does not have to
It is of the invention in limiting.
A kind of nut locking structure of the invention, as shown in figures 1 to 6, including ontology 1 and locking nut 2, ontology 1 and locking
Nut 2 is locked ontology 1 and screw rod by least one retaining mechanism；By locking nut 2 control retaining mechanism to screw rod into
Row squeezes, and then realizes the locking of nut.
Screw thread is arranged in 1 inner ring of ontology, for being threadedly engaged with screw rod；Retaining mechanism includes opening up on this body sidewall
Tight lock part 31, tight lock part 31 is raised in the side wall of ontology 1, and tight lock part 31 gradually decreases along clockwise direction, locking screw
Mother 2 inner wall open up with the matched groove 21 of tight lock part 31, locking nut 2 is smoothly sleeved on outside ontology 1.Recessed
Sticking department 22 is arranged in the counter clockwise direction side of slot 21, and the depth of sticking department 22 is gradually reduced along clockwise direction, sticking department 22
Starting point be arranged convex block 23.By the setting of convex block 23, after operator rotates locking nut 2 to locking state, if after
Continuous rotation, by the blocking of convex block 23, operator can not be continued to rotate at this time, or biggish power is needed just rotatably to screw spiral shell
Mother is equivalent to and gives operator one stop signal, informs that operator has been in locking state at this time, without continuing to rotate.
In addition, rotation rotates clockwise locking nut 2, so that the end of sticking department 22 after locking nut 2 is inserted in ontology 1
End squeezes tight lock part 31, so that deformation occurs for tight lock part 31, clamping screw；At this point, pressure from tight lock part 31 to screw rod axle center most
Greatly, but if shaking in the case where changing state, change in location occurs for sticking department 22, and ontology 1 will be loosened with screw rod, can not be to spiral shell
Mother locks.Locking nut 2 is continued to rotate, so that tight lock part 31 is rotated to the starting point of sticking department 22, and in one side
Be arranged convex block 23, alternatively it is conceivable to, if continuing to rotate clockwise, need it is biggish in overcome tight lock part 31, make tight lock part
31 continue deformation；If rotated counterclockwise, the starting point depth of sticking department 22 is greater than end depth and therefore rotates counterclockwise
Need to overcome the deformation of tight lock part 31；Therefore, in use, the vibration of equipment can not overcome the deformation of tight lock part 31 easily, make
Locking nut 2 is obtained to rotate.Therefore, the present invention can be realized to the reliable locking of nut.In addition, moving locking screw in spanner
When mother 2 rotates, if still having gap between nut on ontology 1 and screw rod, at this point, spanner will drive locking nut 2 and ontology 1
Rotate simultaneously, until after ontology 1 is close to the nut on screw rod, could continue to move the rotation of locking nut 2, realization ontology 1 and
The locking of screw rod, and then realize the locking to nut.
It is illustrated below by specific embodiment:
As shown in Figure 1, three retaining mechanisms are arranged between ontology 1 and locking nut 2, and three retaining mechanisms are equidistant
Setting.When in use, ontology 1 is selected on screw rod, so that ontology 1 withstands the nut being selected on screw rod, groove 21 and tight lock part
31 is corresponding, by 2 sets of locking nut in 1 outside of ontology, by spanner rotation lock nut 2, so that sticking department 22 acts on simultaneously
On tight lock part 31, while tight lock part 31 is squeezed, then rotated to the starting point of sticking department 22, at this point, lock can be passed through
Tight portion 31 carries out locking to nut, and can limit tight lock part 31 with 22 end of sticking department by convex block 23 and move.It should infuse
Meaning, when the starting point of sticking department 31 is rotated to tight lock part 31, have been able to ontology 1 and screw rod locking.
It, can be in addition, as shown in Figure 1, the tight lock part 31 on ontology 1 is the door type structure being provided on 1 side wall of ontology
It is realized by slotting on 1 side wall of ontology, since wherein three sides and 1 junction of ontology are relatively thin for tight lock part 31, is being squeezed
When, deformation occurs.Preferably, the tight lock part 31 on ontology 1 is to only have through the door type structure being provided on 1 side wall of ontology
Side is connect with ontology 1, when being squeezed, can preferably deformation occurs.Certainly, there are also other structures for tight lock part 31, such as
Shown in Fig. 7, the tight lock part 31 on ontology 1 is the two radial parallel open slots 311 opened up on 1 side wall of ontology, makes to lock
Portion 31 can have the space of deformation.Likewise, two open slots 311 can only can also will through setting not through setting
Coupling part skiving.
In one embodiment, a lock is set as shown in figure 8, further including locking mechanism, between ontology 1 and locking nut 2
Determine mechanism and two retaining mechanisms, and spaced set；Locking mechanism includes the recessed lock slots 41 on body outer wall, lock
Clamping block 24 is arranged in the inner wall of tight nut 2, when locking, in the rotation to lock slots 41 of clamping block 24.It further prevents from locking
Nut 2 rotates.Preferably, the both ends of lock slots 41 open up elastic groove 42, and with the structure in the shape of an " I " of lock slots 41.
I-shaped structure can guarantee that deformation occurs when locking nut 2 rotates.
In one embodiment, as shown in figure 9, when unlocked, the axial direction of tight lock part 31 is arranged with ontology 1 for 31 height of tight lock part
Other parts height it is identical.I.e. when screw rod is locked in the rotation of locking nut 2, squeezing tight lock part 31 makes its deformation, Neng Gouli
Solution, the sticking department 22 on locking nut 2 is lower than ontology 1 at this time.When locking nut 2 moves axially, it is arranged by ontology 1 and locks
The blocking of the axial ends in tight portion 31, and then effectively prevent when in use, due to vibration equipment, causing locking nut 2 and ontology 1
It is detached from.
It in one embodiment, as shown in figs. 10-11, can also be in the axially extending setting nut 5 of ontology 1.Firstly, passing through
Nut 5 is set, so that nut 5 is wholely set with ontology 1, and then increases the stability and fastness of ontology 1；Secondly, passing through
Nut on nut 5 and screw rod realizes double nut locking, and then improves the reliability of nut locking.
In the above-described embodiments, as shown in figure 12, when locking nut 2 is under 1 unlocked state of ontology, the rib of locking nut 2
Side and the seamed edge of nut 5 are arranged in a staggered manner.If locking nut 2 is aligned in the unlocked state with nut 5, when in use, spanner can
It can be placed on 5 junction of locking nut 2 and nut, will lead to spanner in this way and pull the rotation of nut 5, it can not be to locking nut 2
It is rotated, is operated very inconvenient.And using the above structure, spanner can only pull locking nut 2 or nut 5, behaviour
Facilitate, does not need to control wrench position.
In one embodiment, as illustrated in figs. 13-15, limited block 25 is arranged in one end of locking nut 2, and the side of nut 5 is set
Block 51 is set, block 51 limits 25 rotational angle of limited block.By the limitation of rotational angle, prevent locking nut 2 from rotating excessively,
Stuck phenomenon is caused, or even causes to be broken between ontology 1 and nut 5.In addition, locking nut 2 in the unlocked state when, this time limit
A side of position block 25 is bonded with a side of block 51, plays positioning action, will not be wrong to operator one intuitive displaying
Dress.After rotation to locking state, another side of limited block 25 and another side fitting of block 51.It can not continue to rotate, into
And protect ontology 1.
In one embodiment, as shown in figure 16, when lock state, locking nut 2 is flushed with 5 side wall of nut, further includes
Locking set 6, hexagon through-hole, the through-hole and locking nut 2 is arranged for 6 inside of locking set and nut 5 cooperates, 6 sets of locking set
Outside locking nut 2 and nut 5, fixed block (not shown) is arranged in locking 6 inner walls of set.And on locking nut 2 and nut 5
Fixing groove 7 is arranged in corresponding position, determines locking nut 2 and nut 5 by locking lock set, locking nut 2 is further prevented to occur to turn
It is dynamic.Preferably, fixing groove 7 passes through respectively at 5 contact surface of locking nut 2 and nut so that it is convenient to process, it is only necessary to right respectively
Oblique angle is arranged in locking nut 2 and 5 side of nut.
In the use of the present invention, structure of the invention is rotatably mounted on screw rod by operator referring to Fig.1 shown in -6 and 13
On, by being threadedly engaged so that nut 5, which is withstood, is mounted on the nut for needing locking on screw rod, then by block 51 and limited block
25 a side alignment, locking nut 2 is inserted on ontology 1, wherein skill when use, by the end of ontology 1
Tapping makes its slight deformation, and then guarantees that locking nut will not slip ontology 1 during installation.Locking screw is then pulled by spanner
Mother 2, if nut 5 without and need the nut of locking to be close to, by spanner drive locking nut 2 rotation when drive nut 5 to
Need the nut of locking mobile, until being close to.Continue to pull locking nut 2, tight lock part 31 is pressed simultaneously by sticking department 22, is made
It tightly pushes down screw rod, continues to rotate locking nut, so that tight lock part 31 is placed in the starting point of sticking department 22, for guaranteeing tight lock part
Prevent locking nut 2 from inverting while 31 locking；And it prevents from locking by convex block 23 and block 51 and limited block 25
Nut 2 rotates forward.And then realize to the reliable locking of nut, it is enough to overcome the shake of equipment in a state of use completely.
The foregoing is merely a prefered embodiment of the invention, practical range not for the purpose of limiting the invention；If not departing from this
The spirit and scope of invention, modify or equivalently replace the present invention, and should all cover the protection in the claims in the present invention
In range.
Claims (10)
1. a kind of nut locking structure, which is characterized in that including ontology and locking nut, the ontology and the locking nut are logical
At least one retaining mechanism is crossed to lock the ontology and screw rod；
Screw thread is arranged in the ontology inner ring, and the retaining mechanism includes the tight lock part opened up on described body sidewall, the lock
Tight portion is raised in the side wall of the ontology, and the tight lock part gradually decreases along clockwise direction, the locking nut it is interior
Wall open up with the matched groove of the tight lock part, the groove counter clockwise direction side be arranged sticking department, the sticking department
Depth be gradually reduced along clockwise direction, convex block is arranged in the starting point of the sticking department.
2. a kind of nut locking structure according to claim 1, which is characterized in that it further include locking mechanism, the locking
Mechanism includes the recessed lock slots on the body outer wall, and clamping block, when locking, institute is arranged in the inner wall of the locking nut
Clamping block is stated to rotate to the lock slots.
3. a kind of nut locking structure according to claim 1, which is characterized in that when unlocked, the tight lock part height
It is identical that the axial other parts height of the tight lock part is set with the ontology 1.
4. a kind of nut locking structure according to claim 1, which is characterized in that the tight lock part is to be provided with described
Door type structure on body sidewall.
5. a kind of nut locking structure according to claim 1, which is characterized in that the tight lock part is on this described side
The two radial parallel open slots opened up on wall.
6. a kind of nut locking structure according to claim 2, which is characterized in that the both ends of the lock slots open up elasticity
Slot, and with lock slots structure in the shape of an " I ".
7. -6 any a kind of nut locking structure according to claim 1, which is characterized in that the ontology it is axially extending
Nut is set.
8. a kind of nut locking structure according to claim 7, which is characterized in that when unlocked state, the locking screw
The seamed edge of female seamed edge and the nut is arranged in a staggered manner.
9. a kind of nut locking structure according to claim 7, which is characterized in that limit is arranged in one end of the locking nut
Block is arranged in position block, the side of the nut, and the block limits the limited block rotational angle.
10. a kind of nut locking structure according to claim 7, which is characterized in that when lock state, the locking screw
It is female to be flushed with the nut side wall, it further include locking set, the locking is sleeved on outside the locking nut and the nut, institute
Locking set inner wall setting fixed block is stated, fixing groove is arranged in corresponding position on the locking nut and the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910380150.2A CN109989987A (en) | 2019-05-08 | 2019-05-08 | A kind of nut locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910380150.2A CN109989987A (en) | 2019-05-08 | 2019-05-08 | A kind of nut locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109989987A true CN109989987A (en) | 2019-07-09 |
Family
ID=67136158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910380150.2A Pending CN109989987A (en) | 2019-05-08 | 2019-05-08 | A kind of nut locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109989987A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560829A (en) * | 2020-05-22 | 2020-08-21 | 刘远城 | Grooving machine with adjustable concrete |
| CN111637141A (en) * | 2020-07-21 | 2020-09-08 | 浙江安盛汽车零部件有限公司 | Electric motor car seven angle flange nuts of preventing burglary |
| CN111637138A (en) * | 2020-07-21 | 2020-09-08 | 浙江安盛汽车零部件有限公司 | Non-standard flange nut for automobile chassis |
-
2019
- 2019-05-08 CN CN201910380150.2A patent/CN109989987A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560829A (en) * | 2020-05-22 | 2020-08-21 | 刘远城 | Grooving machine with adjustable concrete |
| CN111560829B (en) * | 2020-05-22 | 2022-04-22 | 日照天泰建筑安装工程有限公司 | Grooving machine with adjustable concrete |
| CN111637141A (en) * | 2020-07-21 | 2020-09-08 | 浙江安盛汽车零部件有限公司 | Electric motor car seven angle flange nuts of preventing burglary |
| CN111637138A (en) * | 2020-07-21 | 2020-09-08 | 浙江安盛汽车零部件有限公司 | Non-standard flange nut for automobile chassis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109989987A (en) | A kind of nut locking structure | |
| CN102233970B (en) | A kind of airtight container of rotatable sealing | |
| BR112016030802B1 (en) | COVER FOR MEDICAL AND SIMILAR FLUID LINES | |
| CN210118333U (en) | Nut locking structure | |
| CN203296482U (en) | Handle reversing device with clutch | |
| CN206246870U (en) | The pipe joint arrangement and component of a kind of air-conditioner, Anti-dismantling | |
| CN205654897U (en) | Mud ash -valve is arranged to fast switch | |
| CN206246868U (en) | A kind of air-conditioner, Anti-detachable pipe connector device and component | |
| CN201955515U (en) | Hoop for fiber optical splice closures | |
| CN209724889U (en) | A kind of twist-type telescopic pipe locking mechanism | |
| US4058232A (en) | Safety cap | |
| JP3116021U (en) | Medical female connector and medical connector | |
| CN209173219U (en) | Hemodialysis pipe shock-proof check seal plug | |
| CN208456336U (en) | A kind of locking device of oil equipment | |
| CN206448629U (en) | A kind of waterproof bluetooth lock | |
| CN207195383U (en) | A kind of locking member | |
| CN206768941U (en) | A kind of bubbler easy to assemble and tap | |
| CN206221702U (en) | A kind of new aperture valve | |
| CN208767369U (en) | Battery case and Medical Devices | |
| CN110793559A (en) | Sensor shell | |
| CN204624191U (en) | A kind of paint can with easily tearing structure | |
| CN220354251U (en) | Mechanical seal spacing column nut | |
| CN218325684U (en) | Low-resistance locking type horn head coarse thread screw | |
| CN208907431U (en) | A kind of stop nut and jam nut and threaded fastener assembly | |
| CN214540185U (en) | Lens structure convenient to installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |